Slide rule

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OBJECT TYPE: Mannheim
DATE: 1900
ARTIFACT NUMBER: 2009.0328.001

MANUFACTURER: Keuffel & Esser Co.
MODEL: 225672
LOCATION: New York, New York, United States of America

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 4
AKA: N/A
Patents: N/A
General Description: Synthetic slide rule mounted on wooden frame with two metal feet.

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length: 54.0 cm
Width: 9.0 cm
Height: 5.5 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Mathematics
Category: Calculating devices
Sub-Category: N/A

Manufacturer

AKA: Keuffel Esser
Country: United States of America
State/Province: New York
City: New York

Context

Country: Canada
State/Province: Ontario
Period: Unknown
Canada: Roy Belshaw was a life-long Waterous employee. In 1993, he rescued (with permission) an extraordinary collection of Waterous company material from the dumpster into which it had been thrown. Over and above the historical significance of the Waterous firm, it is the completeness of the records saved by Mr. Belshaw that make this collection unique. For once, a detailed internal study of a Canadian firm like this can be carried out against its record of production. The collection also includes a great deal of material that documents the social and plant life of the workers.
Function: Instrument for multiplying, dividing, extracting roots, and obtaining powers of numbers mechanically by logarithmic means.
Technical: The Waterous firm (under various names) was one of Canada's pioneering equipment manufacturers. Located in Brantford, it was one of Canada's longest lasting heavy equipment manufacturers - producing agricultural, steam, fire, and especially logging equipment from 1844-1992.
Area Notes: Unknown

Details

Markings: Incised on with along with scales are: "PAT. JUNE 5, 1900/ KEUFFEL & ESSER CO. N.Y./ MADE IN U.S.A."/ Incised on back of slide "225672".
Missing: N/A
Finish: Synthetic slide rule mounted on wooden frame with two metal feet. Rule is cream colour with black print. Wood is reddish brown and feet are painted black.
Decoration: N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

Keuffel & Esser Co., Slide rule, circa 1900, Artifact no. 2009.0328, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/item/2009.0328.001/

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